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Facile Fabrication of g-C3N4/Fe3O4 Photocatalyst with Enhanced Visible-Light Photocatalytic Activity towards the Degradation of Tartrazine Dye
Author(s) -
S. K. Nikhil,
R. Aruna-Devi,
K. Krishna Veni,
C. Sudhakar,
A. Karthika,
A. Suganthi
Publication year - 2021
Publication title -
asian journal of chemistry/asian journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.145
H-Index - 34
eISSN - 0975-427X
pISSN - 0970-7077
DOI - 10.14233/ajchem.2021.23305
Subject(s) - tartrazine , photodegradation , photocatalysis , chemistry , nanocomposite , high resolution transmission electron microscopy , catalysis , nuclear chemistry , aqueous solution , chemical engineering , precipitation , transmission electron microscopy , chromatography , organic chemistry , physics , meteorology , engineering
The removal of tartrazine dye from aqueous solution using g-C3N4/Fe3O4 nanocomposites was studied.The g-C3N4/Fe3O4 nanocomposites were synthesized using simple co-precipitation method. Thesynthesized nanocomposites were characterized by spectral (UV-Vis DRS, FT-IR) and analytical(PXRD, SEM, EDAX, HRTEM) techniques. Photodegradation of tartrazine dye using the synthesizedcatalyst was studied. The g-C3N4/Fe3O4 nanocomposites exhibited excellent photocatalytic performanceby degrading tartrazine (90%) at 0.1 g/L of catalyst and 20 μM initial dye concentration at pH 3. Theexcellent performance by the catalyst was attributed to the highest electron hole pair generation. Thekinetic study revealed that the photodegradation of tartrazine obeyed pseudo first-order kinetics.

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